invoke_with_yield

# File lib/spec/mocks/message_expectation.rb, line 143
      def invoke_with_yield(block)
        if block.nil?
          @error_generator.raise_missing_block_error @args_to_yield
        end
        value = nil
        @args_to_yield.each do |args_to_yield_this_time|
          if block.arity > -1 && args_to_yield_this_time.length != block.arity
            @error_generator.raise_wrong_arity_error args_to_yield_this_time, block.arity
          end
          value = block.call(*args_to_yield_this_time)
        end
        value
      end